1, don't block the moving line, don't pull the wire in a place that is convenient for people to get in and out or acquiesce in frequent traffic, and don't pull it above the moving line.
2, can not be pulled into the wire fence, such as prison.
3, avoid pulling a lot of lines in the air, there is a 20% encirclement.
Fengshui service and life, life is convenient, and does not damage the appearance.